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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
In JavaScript you can declare a variable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
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Does a finally block always run?
Is there any condition where finally might not run in java? Thanks.
12 Answers
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What's the difference between IEquatable and just overriding Object.Equals()?
I want my Food class to be able to test whenever it is equal to another instance of Food . I will later use it against a List, and I want to use its List.Contains() method. Should I implement IEquatable<Food> or just override Object.Equals() ? From MSDN:
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How can you find the unused NuGet packages in a solution?
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ReSharper 2016.1 has a feature to remove unused NuGet.
It can be run on a solution and on each project in a solution and it does the following things:
Analyze your code and collecting references to assemblies.
Build NuGet usage graph based on usages of assemblies.
Packages with...
MSBUILD : error MSB1008: Only one project can be specified
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It turns out the trailing slash in the PublishDir property is escaping the end quote. Escaping the trailing slash solved my problem.
/p:PublishDir="\\BSIIS3\c$\DATA\WEBSITES\benesys.net\benesys.net\TotalEducationTest\\"
Th...
Convert JavaScript string in dot notation into an object reference
... one needs to convert dot-notation strings like "x.a.b.c" into references, it could (maybe) be a sign that there is something very wrong going on (unless maybe you're performing some strange deserialization).
That is to say, novices who find their way to this answer must ask themselves the ques...
Server is already running in Rails
When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
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Painless way to install a new version of R?
...on your computer.
install.packages("thepackage",lib="/path/to/directory/with/libraries")
You can change the default .Library value using the function .libPaths too
.libPaths("/path/to/directory/with/libraries")
This will put this path as a first value in the .Library variable, and will make i...
Why can't the C# constructor infer type?
Why is type inference not supported for constructors the way it is for generic methods?
5 Answers
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What's the role of GetHashCode in the IEqualityComparer in .NET?
...ng to understand the role of the GetHashCode method of the interface IEqualityComparer.
3 Answers
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